/Engine/Source/Runtime/Core/Public/Math/Color.h
Initialize this Color based on anFString. The String is expected to contain R=, G=, B=, A=. TheFColorwill be bogus when InitFromString returns false.
true if the R,G,B values were read successfully; false otherwise.
bool InitFromString ( const [FString](API\Runtime\Core\Containers\FString) & InSourceString )